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// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_GTK_H_
#define CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_GTK_H_
#include <gtk/gtk.h>
#include "base/basictypes.h"
#include "base/scoped_ptr.h"
#include "chrome/browser/autocomplete/autocomplete.h"
#include "chrome/browser/autocomplete/autocomplete_edit_view.h"
#include "chrome/browser/toolbar_model.h"
#include "chrome/common/owned_widget_gtk.h"
#include "chrome/common/page_transition_types.h"
#include "webkit/glue/window_open_disposition.h"
class AutocompleteEditController;
class AutocompleteEditModel;
class AutocompletePopupPositioner;
class AutocompletePopupViewGtk;
class CommandUpdater;
class Profile;
class TabContents;
class ToolbarModel;
class AutocompleteEditViewGtk : public AutocompleteEditView {
public:
AutocompleteEditViewGtk(AutocompleteEditController* controller,
ToolbarModel* toolbar_model,
Profile* profile,
CommandUpdater* command_updater,
AutocompletePopupPositioner* popup_positioner);
~AutocompleteEditViewGtk();
// Initialize, create the underlying widgets, etc.
void Init();
GtkWidget* widget() { return alignment_.get(); }
// Grab keyboard input focus, putting focus on the location widget.
void SetFocus();
// Implement the AutocompleteEditView interface.
virtual AutocompleteEditModel* model() { return model_.get(); }
virtual const AutocompleteEditModel* model() const { return model_.get(); }
virtual void SaveStateToTab(TabContents* tab);
virtual void Update(const TabContents* tab_for_state_restoring);
virtual void OpenURL(const GURL& url,
WindowOpenDisposition disposition,
PageTransition::Type transition,
const GURL& alternate_nav_url,
size_t selected_line,
const std::wstring& keyword);
virtual std::wstring GetText() const;
virtual void SetUserText(const std::wstring& text) {
SetUserText(text, text, true);
}
virtual void SetUserText(const std::wstring& text,
const std::wstring& display_text,
bool update_popup);
virtual void SetWindowTextAndCaretPos(const std::wstring& text,
size_t caret_pos);
virtual bool IsSelectAll();
virtual void SelectAll(bool reversed);
virtual void RevertAll();
virtual void UpdatePopup();
virtual void ClosePopup();
virtual void OnTemporaryTextMaybeChanged(const std::wstring& display_text,
bool save_original_selection);
virtual bool OnInlineAutocompleteTextMaybeChanged(
const std::wstring& display_text, size_t user_text_length);
virtual void OnRevertTemporaryText();
virtual void OnBeforePossibleChange();
virtual bool OnAfterPossibleChange();
private:
// Modeled like the Windows CHARRANGE. Represent a pair of cursor position
// offsets. Since GtkTextIters are invalid after the buffer is changed, we
// work in character offsets (not bytes).
struct CharRange {
CharRange() : cp_min(0), cp_max(0) { }
CharRange(int n, int x) : cp_min(n), cp_max(x) { }
// Work in integers to match the gint GTK APIs.
int cp_min; // For a selection: Represents the start.
int cp_max; // For a selection: Represents the end (insert position).
};
// TODO(deanm): Would be nice to insulate the thunkers better, etc.
static void HandleBeginUserActionThunk(GtkTextBuffer* unused, gpointer self) {
reinterpret_cast<AutocompleteEditViewGtk*>(self)->HandleBeginUserAction();
}
void HandleBeginUserAction();
static void HandleEndUserActionThunk(GtkTextBuffer* unused, gpointer self) {
reinterpret_cast<AutocompleteEditViewGtk*>(self)->HandleEndUserAction();
}
void HandleEndUserAction();
static gboolean HandleKeyPressThunk(GtkWidget* widget,
GdkEventKey* event,
gpointer self) {
return reinterpret_cast<AutocompleteEditViewGtk*>(self)->HandleKeyPress(
widget, event);
}
gboolean HandleKeyPress(GtkWidget* widget, GdkEventKey* event);
static gboolean HandleKeyReleaseThunk(GtkWidget* widget,
GdkEventKey* event,
gpointer self) {
return reinterpret_cast<AutocompleteEditViewGtk*>(self)->HandleKeyRelease(
widget, event);
}
gboolean HandleKeyRelease(GtkWidget* widget, GdkEventKey* event);
static gboolean HandleViewButtonPressThunk(GtkWidget* view,
GdkEventButton* event,
gpointer self) {
return reinterpret_cast<AutocompleteEditViewGtk*>(self)->
HandleViewButtonPress(event);
}
gboolean HandleViewButtonPress(GdkEventButton* event);
static gboolean HandleViewFocusInThunk(GtkWidget* view,
GdkEventFocus* event,
gpointer self) {
return reinterpret_cast<AutocompleteEditViewGtk*>(self)->
HandleViewFocusIn();
}
gboolean HandleViewFocusIn();
static gboolean HandleViewFocusOutThunk(GtkWidget* view,
GdkEventFocus* event,
gpointer self) {
return reinterpret_cast<AutocompleteEditViewGtk*>(self)->
HandleViewFocusOut();
}
gboolean HandleViewFocusOut();
static void HandleViewMoveCursorThunk(GtkWidget* view,
GtkMovementStep step,
gint count,
gboolean extend_selection,
gpointer self) {
reinterpret_cast<AutocompleteEditViewGtk*>(self)->
HandleViewMoveCursor(step, count, extend_selection);
}
void HandleViewMoveCursor(GtkMovementStep step,
gint count,
gboolean extendion_selection);
static void HandleViewSizeRequestThunk(GtkWidget* view,
GtkRequisition* req,
gpointer self) {
reinterpret_cast<AutocompleteEditViewGtk*>(self)->
HandleViewSizeRequest(req);
}
void HandleViewSizeRequest(GtkRequisition* req);
// Get the character indices of the current selection. This honors
// direction, cp_max is the insertion point, and cp_min is the bound.
CharRange GetSelection();
// Translate from character positions to iterators for the current buffer.
void ItersFromCharRange(const CharRange& range,
GtkTextIter* iter_min,
GtkTextIter* iter_max);
// Return the number of characers in the current buffer.
int GetTextLength();
// Try to parse the current text as a URL and colorize the components.
void EmphasizeURLComponents();
// Internally invoked whenever the text changes in some way.
void TextChanged();
// The widget we expose, used for vertically centering the real text edit,
// since the height will change based on the font / font size, etc.
OwnedWidgetGtk alignment_;
// The actual text entry which will be owned by the alignment_.
GtkWidget* text_view_;
GtkTextTagTable* tag_table_;
GtkTextBuffer* text_buffer_;
GtkTextTag* base_tag_;
GtkTextTag* secure_scheme_tag_;
GtkTextTag* insecure_scheme_tag_;
scoped_ptr<AutocompleteEditModel> model_;
scoped_ptr<AutocompletePopupViewGtk> popup_view_;
AutocompleteEditController* controller_;
ToolbarModel* toolbar_model_;
// The object that handles additional command functionality exposed on the
// edit, such as invoking the keyword editor.
CommandUpdater* command_updater_;
// When true, the location bar view is read only and also is has a slightly
// different presentation (font size / color). This is used for popups.
// TODO(deanm).
bool popup_window_mode_;
ToolbarModel::SecurityLevel scheme_security_level_;
// Tracking state before and after a possible change.
std::wstring text_before_change_;
CharRange sel_before_change_;
DISALLOW_COPY_AND_ASSIGN(AutocompleteEditViewGtk);
};
#endif // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_GTK_H_
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